0a59e34e4c8a47138210afb587c6936a59a4a0bfe1e63a9e969e63e34103ce9a

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 08:16

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General

Target

2024-02-13_d253bc16667582f3d0ec8eeb2cce6099_cryptolocker.exe
Size

48KB
MD5

d253bc16667582f3d0ec8eeb2cce6099
SHA1

18b92844da04d6e07868f4fe8f8c72c1ebf440bf
SHA256

0a59e34e4c8a47138210afb587c6936a59a4a0bfe1e63a9e969e63e34103ce9a
SHA512

2328d2c2f3b8b52d920f1b0e30489b917f57d341a44b9bd021a5dd493f5cfb89fb9d7c446a91209910b851b8a1e44959fe7a7c59ffac22e4f4c5e60f61987c3b
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnUCNK:79mqyNhQMOtEvwDpjBxe8xCNK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2548-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a00000001226e-11.dat	CryptoLocker_rule2
behavioral1/memory/2852-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2548-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2548-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a00000001226e-11.dat	CryptoLocker_set1
behavioral1/memory/2852-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2548-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2852	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2548	2024-02-13_d253bc16667582f3d0ec8eeb2cce6099_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2852	2548	2024-02-13_d253bc16667582f3d0ec8eeb2cce6099_cryptolocker.exe	28
PID 2548 wrote to memory of 2852	2548	2024-02-13_d253bc16667582f3d0ec8eeb2cce6099_cryptolocker.exe	28
PID 2548 wrote to memory of 2852	2548	2024-02-13_d253bc16667582f3d0ec8eeb2cce6099_cryptolocker.exe	28
PID 2548 wrote to memory of 2852	2548	2024-02-13_d253bc16667582f3d0ec8eeb2cce6099_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-13_d253bc16667582f3d0ec8eeb2cce6099_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_d253bc16667582f3d0ec8eeb2cce6099_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
49KB

MD5
e7cc560f3b8ab869a68563c2e9256424

SHA1
0dab8551d7dff06b74256bf83749c8f1a75e7cb9

SHA256
acaeb1377ca1c8572dafc2ae6492cb2f0e1e1c23df4e3dc0573afcac17651c13

SHA512
68d24228beff558586291807084b95f23eee898f853254bf77d5b31807d9ac15f50b3bece3d1f3c0cf2c7d4d8db493587b63c7be5f5c9b680272ef08381016aa

Download Submit
memory/2548-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2548-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2548-3-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2548-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2548-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2852-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2852-18-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download